#BB3A3A#BB3A3A

#BB3A3A is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.8% C 0.166 H 24.6°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#BB3A3A
RGB	rgb(187, 58, 58)
HSL	hsl(0, 53%, 48%)
HSV	hsv(0, 69%, 73%)
CMYK	cmyk(0%, 69%, 69%, 26.7%)
CIE-LAB	lab(44.09, 51.54, 29.73)
CIE-LCH	lch(44.09, 59.51, 29.98°)
OKLab	oklab(53.79% 0.1506 0.069)
OKLCH	oklch(53.79% 0.166 24.6)
XYZ	xyz(22.7727, 13.8997, 5.4860)
Luminance	0.1390 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3A3A #3ABBBB

analogous

#BB3A7A #BB3A3A #BB7A3A

triadic

#BB3A3A #3ABB3A #3A3ABB

tetradic

#BB3A3A #7ABB3A #3ABBBB #7A3ABB

square

#BB3A3A #7ABB3A #3ABBBB #7A3ABB

split-complementary

#BB3A3A #3ABB7A #3A7ABB

monochromatic

#5E1D1D #8C2C2C #BB3A3A #CF6363 #DD9292

Accessibility & contrast

On white

5.56

#BB3A3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#BB3A3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3A3A

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3A3A	#FFFFFF	#000000	##FFFFFF
##BB3A3A	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5739

Deuteranopia (green-blind)

#7E7236

Tritanopia (blue-blind)

#CD133C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3a3a;
/* rgb */ color: rgb(187, 58, 58);
/* oklch */ color: oklch(53.8% 0.166 24.6);

Tailwind

colors: {
  custom: {
    50: '#d77870',
    500: '#bb3a3a',
    950: '#000000',
  },
}

SCSS

$custom: #bb3a3a;
$custom-light: #d77870;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3a3a",
  "rgb": {
    "r": 187,
    "g": 58,
    "b": 58
  },
  "hsl": {
    "h": 0,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53787,
    "c": 0.16563,
    "h": 24.6
  },
  "luminance": 0.13896
}

Semantic roles & 50–950 ramp

primary

#BB3A3A

secondary

#88C8C8

accent

#DCDC4C

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB3A3A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →